Alert archive / Indiana / Flash Flood Warnings in 2002

Flash Flood Warning 41, NWS Indianapolis, IN

May 12, 20026 counties in Indiana

NWS Indianapolis, IN issued this flash flood warning at May 12, 2002, 4:58 PM EST for 6 counties in Indiana. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 12, 2002, 4:58 PM EST (21:58 UTC)
Expired
May 12, 2002, 8:00 PM EST
In force
3 hr
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Clay County, IN, Greene County, IN, Monroe County, IN, Owen County, IN, Sullivan County, IN, Vigo County, IN

The radar

The Indianapolis radar (KIND), 84 km from the middle of the area, began a volume at 21:57 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.0 hours before the alert went out and 168 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2002-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 77 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2002-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 163 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
77 J/kg
Mixed-layer CIN
-142 J/kg
Mixed-layer LCL
829 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
163 m²/s²
0-3 km storm-relative helicity
-16 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS53 KIND 122158
FFWIND
INC021-055-105-119-153-167-130100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
454 PM EST SUN MAY 12 2002

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MONROE COUNTY IN SOUTH CENTRAL INDIANA
  THIS INCLUDES THE CITY OF BLOOMINGTON
  NORTHERN GREENE COUNTY IN SOUTHWEST INDIANA
  NORTHERN SULLIVAN COUNTY IN SOUTHWEST INDIANA
  CLAY COUNTY IN WEST CENTRAL INDIANA
  OWEN COUNTY IN WEST CENTRAL INDIANA
  VIGO COUNTY IN WEST CENTRAL INDIANA
  THIS INCLUDES THE CITY OF TERRE HAUTE

* UNTIL 800 PM EST

* AT 452 PM EST...WEATHER SERVICE DOPPLER RADAR INDICATED VERY 
  HEAVY RAIN ALONG A LINE FROM WEST OF BLOOMINGTON TO NORTH OF 
  SULLIVAN...AND THEN EXTENDING WEST INTO ILLINOIS. THIS LINE OF 
  STORMS WAS MOVING EAST AT 40 MPH AND WILL MOVE OVER THE SAME AREAS 
  FOR THE NEXT FEW HOURS.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS 
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. TO ESCAPE 
RISING WATER MOVE UP TO HIGHER GROUND.

IF YOU ARE THREATENED BY RISING FLOOD WATERS MOVE TO HIGHER GROUND 
IMMEDIATELY. DO NOT CROSS SWIFTLY FLOWING WATERS OR WATERS OF 
UNKNOWN DEPTH.

TO REPORT FLOODING HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR
REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
INDIANAPOLIS.

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 12, 7:58 AM ESTFlash Flood WarningINDClay, Vigo2 hr
May 12, 8:01 AM ESTFlash Flood WarningINDClay, Vigo3 hr
May 12, 10:50 AM ESTFlash Flood WarningINDClay, Vigo115 min
May 12, 10:53 AM ESTFlash Flood WarningINDClay, Vigo3 hr
May 12, 11:11 AM ESTFlash Flood WarningINDBoone, Clinton, Fountain, Hendricks, Montgomery, Parke and 2 more2 hr
May 12, 11:15 AM ESTFlash Flood WarningINDBoone, Clinton, Fountain, Hendricks, Montgomery, Parke and 2 more3 hr
May 12, 3:53 PM ESTFlash Flood WarningINDDelaware, Hamilton, Madison, Randolph2 hr
May 12, 3:54 PM ESTFlash Flood WarningINDDelaware, Hamilton, Madison, Randolph3 hr
May 12, 4:44 PM ESTFlash Flood WarningINDHancock, Henry, Rush2 hr
May 12, 4:47 PM ESTFlash Flood WarningINDHancock, Henry, Rush3 hr
May 12, 4:54 PM ESTFlash Flood WarningINDClay, Greene, Monroe, Owen, Sullivan, Vigo2 hr
May 12, 6:21 PM ESTSevere Thunderstorm WarningINDSullivan24 min
May 12, 6:47 PM ESTSevere Thunderstorm WarningINDDaviess28 min
May 12, 6:59 PM ESTSevere Thunderstorm WarningINDMartin31 min

Nearby

Flash Flood Warnings in Indiana, 2002Every flash flood warning in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.